18802853 has 2 divisors, whose sum is σ = 18802854. Its totient is φ = 18802852.

The previous prime is 18802811. The next prime is 18802871. The reversal of 18802853 is 35820881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15108769 + 3694084 = 3887^2 + 1922^2 .

It is a cyclic number.

It is not a de Polignac number, because 18802853 - 2²⁰ = 17754277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18804853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9401426 + 9401427.

It is an arithmetic number, because the mean of its divisors is an integer number (9401427).

Almost surely, 2^18802853 is an apocalyptic number.

It is an amenable number.

18802853 is a deficient number, since it is larger than the sum of its proper divisors (1).

18802853 is an equidigital number, since it uses as much as digits as its factorization.

18802853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 18802853 is about 4336.2256629470. The cubic root of 18802853 is about 265.9140289757.

The spelling of 18802853 in words is "eighteen million, eight hundred two thousand, eight hundred fifty-three".